C++ Ptr::definedMacros方法代码示例

QFuture<TextEditor::HighlightingResult> CppHighlightingSupportInternal::highlightingFuture(
        const Document::Ptr &doc,
        const Snapshot &snapshot) const
{
    typedef TextEditor::HighlightingResult Result;
    QList<Result> macroUses;

    // Get macro definitions
    foreach (const CPlusPlus::Macro& macro, doc->definedMacros()) {
        int line, column;
        editor()->convertPosition(macro.offset(), &line, &column);
        ++column; //Highlighting starts at (column-1) --> compensate here
        Result use(line, column, macro.name().size(), MacroUse);
        macroUses.append(use);
    }

    // Get macro uses
    foreach (const Document::MacroUse &macro, doc->macroUses()) {
        const QString name = QString::fromUtf8(macro.macro().name());

        //Filter out QtKeywords
        if (isQtKeyword(QStringRef(&name)))
            continue;

        //Filter out C++ keywords
        SimpleLexer tokenize;
        tokenize.setQtMocRunEnabled(false);
        tokenize.setObjCEnabled(false);
        tokenize.setCxx0xEnabled(true);
        const QList<Token> tokens = tokenize(name);
        if (tokens.length() && (tokens.at(0).isKeyword() || tokens.at(0).isObjCAtKeyword()))
            continue;

        int line, column;
        editor()->convertPosition(macro.begin(), &line, &column);
        ++column; //Highlighting starts at (column-1) --> compensate here
        Result use(line, column, name.size(), MacroUse);
        macroUses.append(use);
    }

    LookupContext context(doc, snapshot);
    return CheckSymbols::go(doc, context, macroUses);
}

void CppPreprocessor::mergeEnvironment(Document::Ptr doc)
{
    if (!doc)
        return;

    const QString fn = doc->fileName();

    if (m_processed.contains(fn))
        return;

    m_processed.insert(fn);

    foreach (const Document::Include &incl, doc->resolvedIncludes()) {
        const QString includedFile = incl.resolvedFileName();

        if (Document::Ptr includedDoc = m_snapshot.document(includedFile))
            mergeEnvironment(includedDoc);
        else if (!m_included.contains(includedFile))
            run(includedFile);
    }

    m_env.addMacros(doc->definedMacros());
}

void CppPreprocessor::sourceNeeded(unsigned line, const QString &fileName, IncludeType type)
{
    typedef Document::DiagnosticMessage Message;
    if (fileName.isEmpty())
        return;

    QString absoluteFileName = resolveFile(fileName, type);
    absoluteFileName = QDir::cleanPath(absoluteFileName);
    if (m_currentDoc) {
        m_currentDoc->addIncludeFile(Document::Include(fileName, absoluteFileName, line, type));
        if (absoluteFileName.isEmpty()) {
            const QString text = QCoreApplication::translate(
                "CppPreprocessor", "%1: No such file or directory").arg(fileName);
            Message message(Message::Warning, m_currentDoc->fileName(), line, /*column =*/ 0, text);
            m_currentDoc->addDiagnosticMessage(message);
            return;
        }
    }
    if (m_included.contains(absoluteFileName))
        return; // we've already seen this file.
    if (absoluteFileName != modelManager()->configurationFileName())
        m_included.insert(absoluteFileName);

    // Already in snapshot? Use it!
    Document::Ptr doc = m_snapshot.document(absoluteFileName);
    if (doc) {
        mergeEnvironment(doc);
        return;
    }

    // Otherwise get file contents
    unsigned editorRevision = 0;
    QByteArray contents;
    const bool gotFileContents = getFileContents(absoluteFileName, &contents, &editorRevision);
    contents = convertToLatin1(contents);
    if (m_currentDoc && !gotFileContents) {
        const QString text = QCoreApplication::translate(
            "CppPreprocessor", "%1: Could not get file contents").arg(fileName);
        Message message(Message::Warning, m_currentDoc->fileName(), line, /*column =*/ 0, text);
        m_currentDoc->addDiagnosticMessage(message);
        return;
    }

    if (m_dumpFileNameWhileParsing) {
        qDebug() << "Parsing file:" << absoluteFileName
                 << "contents:" << contents.size() << "bytes";
    }

    doc = Document::create(absoluteFileName);
    doc->setRevision(m_revision);
    doc->setEditorRevision(editorRevision);

    const QFileInfo info(absoluteFileName);
    if (info.exists())
        doc->setLastModified(info.lastModified());

    const Document::Ptr previousDoc = switchDocument(doc);

    const QByteArray preprocessedCode = m_preprocess.run(absoluteFileName, contents);
//    {
//        QByteArray b(preprocessedCode);
//        b.replace("\n", "<<<\n");
//        qDebug("Preprocessed code for \"%s\": [[%s]]", fileName.toUtf8().constData(),
//               b.constData());
//    }

    QCryptographicHash hash(QCryptographicHash::Sha1);
    hash.addData(preprocessedCode);
    foreach (const Macro &macro, doc->definedMacros()) {
        if (macro.isHidden()) {
            static const QByteArray undef("#undef ");
            hash.addData(undef);
            hash.addData(macro.name());
        } else {
            static const QByteArray def("#define ");
            hash.addData(macro.name());
            hash.addData(" ", 1);
            hash.addData(def);
            hash.addData(macro.definitionText());
        }
        hash.addData("\n", 1);
    }
    doc->setFingerprint(hash.result());

    Document::Ptr anotherDoc = m_globalSnapshot.document(absoluteFileName);
    if (anotherDoc && anotherDoc->fingerprint() == doc->fingerprint()) {
        switchDocument(previousDoc);
        mergeEnvironment(anotherDoc);
        m_snapshot.insert(anotherDoc);
        m_todo.remove(absoluteFileName);
        return;
    }

    doc->setUtf8Source(preprocessedCode);
    doc->keepSourceAndAST();
    doc->tokenize();

    m_snapshot.insert(doc);
    m_todo.remove(absoluteFileName);

//.........这里部分代码省略.........